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Vladimir [108]
3 years ago
15

Suppose you are adding 43 and 28. will you regroup??? and Explain

Mathematics
1 answer:
pishuonlain [190]3 years ago
7 0
Yes because 8+3=11 so you regroup the 1and put it on top of the 4. now you add 4+2+1 which equals 7 so the answer is 71
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Batman took a bicycle trip. In all, he traveled 6 hours at a rate of 28 mph. What was his total distance ?
Mice21 [21]
Distance=speed x time
so it would be 28 x 6=168
7 0
3 years ago
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In which situation is the distance traveled proportional to time? A car moving in stop-and-go traffic A person biking on a trail
Sindrei [870]
For this case, what you must do is to see in which scenario the speed of keeping constant during a certain time.
 "A person biking on a trail at 1212 miles per hour for 2020 minutes"
 We observe that the distance in this case is proportional to the time and the constant of proportionality is the speed.
 In other words:
 d = v * t
 Answer:
 the distance traveled is proportional to time in:
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5 0
3 years ago
What are the values of f(x) = 9^x when x= -2? <br><br> a) 1/81<br> b) 81<br> c) 1/18<br> d) 18
Novosadov [1.4K]

Answer:

(a)

Step-by-step explanation:

using the rule of exponents

• a^{-m} ⇔ \frac{1}{a^{m} }, hence

9^{-2} = \frac{1}{9^{2} } = \frac{1}{81} → (a)


4 0
3 years ago
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How do i solve 7x^{2} +11y^{2} =40
svetoff [14.1K]

Answer:

Step-by-step explanation:

There is no solution as you have two variables and only one equation. The best you can do is solve for one variable as a function of the other.

7x^2+11y^2=40\\ \\ 11y^2=40-7x^2\\ \\ y^2=\frac{40-7x^2}{11}\\ \\ y=\sqrt{\frac{40-7x^2}{11}}

6 0
3 years ago
What is the area of this trapezoid?
pantera1 [17]

Answer:

Area=80 units squared

A=base*height

A=base*height/2

Step-by-step explanation:

7*8=56/2=28

7*8=56/2=28

3*8=24

28+28+24

56+24

80

5 0
3 years ago
Read 2 more answers
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